MCP Autostarter

#!/usr/bin/env node import { Server } from '@modelcontextprotocol/sdk/server/index.js'; import { StdioServerTransport } from '@modelcontextprotocol/sdk/server/stdio.js'; import { CallToolRequestSchema, ErrorCode, ListToolsRequestSchema, McpError, } from '@modelcontextprotocol/sdk/types.js'; import { ProcessManager } from './process-manager.js'; import { ProcessDetector } from './process-detector.js'; const server = new Server( { name: 'mcp-autostarter', version: '1.0.0', }, { capabilities: { tools: {}, resources: {}, }, } ); const processManager = new ProcessManager(); const processDetector = new ProcessDetector(); // Handle tool listing server.setRequestHandler(ListToolsRequestSchema, async () => { return { tools: [ { name: 'restart_mcp', description: 'Intelligently restarts only the MCP handler process without disrupting Claude Desktop UI', inputSchema: { type: 'object', properties: {}, required: [], }, }, { name: 'restart_claude', description: 'Fully restarts Claude Desktop application (use only if MCP restart fails)', inputSchema: { type: 'object', properties: {}, required: [], }, }, { name: 'get_mcp_status', description: 'Check if MCP handler and Claude Desktop processes are running', inputSchema: { type: 'object', properties: {}, required: [], }, }, ], }; }); // Handle tool execution server.setRequestHandler(CallToolRequestSchema, async (request) => { switch (request.params.name) { case 'restart_mcp': { try { console.error('Restarting MCP handler process...'); const result = await processManager.restartMCPHandler(); return { content: [ { type: 'text', text: JSON.stringify(result, null, 2), }, ], }; } catch (error) { throw new McpError( ErrorCode.InternalError, `Failed to restart MCP handler: ${error}` ); } } case 'restart_claude': { try { console.error('Restarting Claude Desktop...'); const result = await processManager.restartClaudeDesktop(); return { content: [ { type: 'text', text: JSON.stringify(result, null, 2), }, ], }; } catch (error) { throw new McpError( ErrorCode.InternalError, `Failed to restart Claude Desktop: ${error}` ); } } case 'get_mcp_status': { try { const mcpProcess = await processDetector.findMCPHandlerProcess(); const claudeProcess = await processDetector.findClaudeDesktopProcess(); const status = { mcp_handler: mcpProcess ? { running: true, pid: mcpProcess.pid, name: mcpProcess.name, cmd: mcpProcess.cmd, } : { running: false, }, claude_desktop: claudeProcess ? { running: true, pid: claudeProcess.pid, name: claudeProcess.name, } : { running: false, }, timestamp: new Date().toISOString(), }; return { content: [ { type: 'text', text: JSON.stringify(status, null, 2), }, ], }; } catch (error) { throw new McpError( ErrorCode.InternalError, `Failed to get status: ${error}` ); } } default: throw new McpError( ErrorCode.MethodNotFound, `Unknown tool: ${request.params.name}` ); } }); // Start the server async function main() { const transport = new StdioServerTransport(); await server.connect(transport); console.error('MCP Autostarter server running on stdio'); } main().catch(console.error);